AES supports three key sizes:
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128-bit Key: This is the minimum key size for AES and provides a good level of security for most applications.
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192-bit Key: This key size offers a higher level of security compared to 128 bits and is suitable for applications requiring enhanced protection.
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256-bit Key: This is the maximum key size for AES and provides the highest level of security. It is often used in environments where data security is critical.
The choice of key size affects the strength of the encryption, with larger keys providing greater security but potentially requiring more computational resources for encryption and decryption processes.
